- 1 [intransitive, transitive] to make a formal request to someone in authority, especially by sending them a petition petition for/against something Local residents have successfully petitioned against prison building in their area. petition somebody/something (for something) The group intends to petition Congress for reform of the law. petition somebody/something to do something Parents petitioned the school to review its admissions policy.
- 2[intransitive, transitive] petition (somebody) (for something) petition somebody/something to do something to formally ask for something in court to petition for divorce
NAmE//pəˈtɪʃn//Verb Forms present simple I / you / we / they petition
he / she / it petitions
past simple petitioned
-ing form petitioning